hi, sorry, I meant the pitch detector filter rgds, tk --- In , "dunjie17" <tunkeat@g...> wrote: > > > hi, > > I read that the "analysed" filter is a FIR > (stability is ensure) but the synthesized > filter is a IIR filter (inverse filter). > is that right? I don't see how it is so? > and if it is so, how is stability ensured? > > rgds, > tk |